.w_b_talk_u{padding:10px;min-height:45px;min-width:66px;border-radius:10px}.w_b_talk_u:before,.w_b_talk_u:after{width:0;height:0;border:5px solid transparent}.w_b_talk_u:before{top:-11px}.w_b_talk_u:after{top:-9px}.w_b_talk_u_L{border:1px solid #dddddd;background:#ffffff;margin:0 auto 0 0;color:#222222}.w_b_talk_u_L:before{border-bottom-color:#dddddd;border-left-color:#dddddd;left:46px}.w_b_talk_u_L:after{border-bottom-color:#ffffff;border-left-color:#ffffff;left:47px}.w_b_talk_u_R{border:1px solid #dddddd;;background:#ffffff;margin:0 0 0 auto;color:#222222}.w_b_talk_u_R:before{border-bottom-color:#dddddd;border-right-color:#dddddd;right:46px}.w_b_talk_u_R:after{border-bottom-color:#ffffff;border-right-color:#ffffff;right:47px}